Amazon launched two new Kindle e-readers priced at $139 and $189 late Wednesday, with the cheaper version a Wi-Fi-only e-reader and $10 less than the Wi-Fi-only Nook.[url=http://www.computerworld.com/s/article/9179853/Amazon_launches_two_new_Kindles_one_with_Wi_Fi_only]ComputerWorld[/url]http://www.computerworld.com/555